72865804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{4049}}^1$

素因数の和:4473

約数の個数: 24

約数和(自身を含む): 139482000

約数和(自身を除く): 66616196

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1636, 4049, 4499, 8098, 8998, 16196, 17996, 44539, 89078, 178156, 1656041, 3312082, 6624164, 18216451, 36432902, 72865804]

約数ペア:

[(1, 72865804), (2, 36432902), (4, 18216451), (11, 6624164), (22, 3312082), (44, 1656041), (409, 178156), (818, 89078), (1636, 44539), (4049, 17996), (4499, 16196), (8098, 8998)]